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首页> 外文期刊>Optical and quantum electronics >Cryogenic radiometer based absolute spectral power responsivity calibration of integrating sphere radiometer to be used in power measurements at optical fiber communication wavelengths
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Cryogenic radiometer based absolute spectral power responsivity calibration of integrating sphere radiometer to be used in power measurements at optical fiber communication wavelengths

机译：基于低温辐射计的积分球辐射计的绝对光谱功率响应校准，用于光纤通信波长的功率测量

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摘要

This paper covers the absolute spectral power responsivity calibration of spectralon-coated Integrating Sphere Radiometer (ISR) equipped with 3 mm diameter InGaAs photodiode to be used as a transfer standard in fiber optic power measurements against Electrical Substitution Cryogenic Radiometer (ESCR) in Optics Laboratory of National Metrology Institute (TUBITAK UME) of Turkey. The initial uncertainty arising from the use of the Electrically Calibrated Pyroelectric Radiometer (ECPR) as a transfer standard in radiometric scale is 0.5% (k = 2), which particularly comes from irregularity in the surface homogeneity of ECPR. In order to eliminate the ECPR step as well as its initial uncertainty contribution in fiber optic power measurements, the calibration application herein was carried out. Moreover power stabilization measurements of DFB laser sources at both 1309.1 nm and 1549.0 nm, the beam size determinations, and spectral analyses of these laser sources as well as spatial and angular dependence of spectral responsivities of the ISR were presented in this paper. The total expanded uncertainties were calculated as 0.283% and 0.315% in the determination of absolute spectral power responsivities of the ISR for 1309.1 nm and 1549.0 nm wavelengths respectively (k = 2).
机译：本文涵盖了配备3mm直径InGaAs光电二极管的带光谱子涂层的积分球辐射计（ISR）的绝对光谱功率响应校准，该光谱仪将用作光纤功率测量的传输标准，以对抗美国加州光学实验室的电子替代低温辐射计（ESCR）。土耳其国家计量学院（TUBITAK UME）。使用电子校准热释电辐射计（ECPR）作为辐射度标尺中的转移标准所引起的初始不确定度为0.5％（k = 2），这尤其是由于ECPR表面均匀性的不规则性引起的。为了消除ECPR步骤及其在光纤功率测量中的初始不确定性影响，在此进行了校准应用。此外，本文还介绍了DFB激光源在1309.1 nm和1549.0 nm处的功率稳定度测量，光束大小确定，这些激光源的光谱分析以及ISR光谱响应的空间和角度依赖性。在分别确定1309.1 nm和1549.0 nm波长（k = 2）的ISR的绝对光谱功率响应度时，总的扩展不确定度计算为0.283％和0.315％。

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